- From: Joćo Eiras <joao.eiras@gmail.com>
- Date: Fri, 09 May 2008 02:06:03 +0100
- To: "Lachlan Hunt" <lachlan.hunt@lachy.id.au>
- Cc: "Web APIs WG" <public-webapi@w3.org>
Ok, then issue 1 is unresolved. I like the :scope idea, but then the UA could imply :scope before each selector. Thank you all. Na , Lachlan Hunt <lachlan.hunt@lachy.id.au> escreveu: > Joćo Eiras wrote: >> 1) How do we deal with node.querySelectorAll(">foo") ? >> should this be considered a valid selector and return children of the >> context node with nodeName equal foo ? >> This is a valid use case, and widely used and supported by existing >> libraries. > > It's an invalid selector, but we're trying to find a solution to cover > the use case. There has been some recent discussion about this. For > more info about the current status, see these posts. > > http://lists.w3.org/Archives/Public/public-webapi/2008May/0057.html > http://lists.w3.org/Archives/Public/public-webapi/2008May/0058.html > >> 2) How should following pseudo-classes be handled? >> :hover -> make this use case clear. Should hovered element be matched, >> or the class ignored ? > > It will match, but since the NodeList returned is static, the list won't > change dynamically as the user moves the cursor around. > >> :root -> should node.querySelectorAll(":root ...") jump to the >> document root and use the entire document as context ? > > As currently defined, all selectors are evaluated against the element in > the context of the entire document. So, yes, ":root ..." will match > appropriate elements if they are contained within the document. If it's > a disconnected subtree or document fragment, there is no root element > that matches :root, and so it won't match. > >> 3) How should pseudo-elements be handled ? >> ::first-line >> ::first-letter >> ::selection >> ::before >> ::after pseudo-elements >> none of these elements are visible to the DOM, and ::selection >> contains a too complex data structure which cannot be represented with >> a NodeList. > > Pesudo-elements won't match anything. There's a note in the spec about > that that says the following: > > "Authors are advised that while the use of pseudo-elements in selectors > is permitted, they will not match any elements in the document, and thus > would not result in any elements being returned. Therefore, authors > should avoid the use of pseudo-elements in selectors that are passed to > the methods defined in this specification. " >
Received on Friday, 9 May 2008 01:19:08 UTC